$700 gadget for the next Lance Armstrong

It monitors your health and performance while cycling.

Polar

There are scads of devices designed to monitor performance while running on the track or treadmill, ranging from MP3 players to running shoes. But digital health equipment pioneer Polar has made it a mission to come up with an electronic fitness aid for cyclists as well.

The CS600 is like an on-board computer with its own software, which Gadgetell says was developed with the help of six teams from last year's Tour de France, "evaluating your heart's performance, bike speed, altitude and cadence." But be warned: Good health often comes at a price, and in this case it's $700.

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